2017–18 UEFA Europa League group stage
The 2017–18 UEFA Europa League group stage began on 14 September and ended on 7 December 2017. A total of 48 teams competed in the group stage to decide 24 of the 32 places in the knockout phase of the 2017–18 UEFA Europa League.
Source: Wikipedia — 2017–18 UEFA Europa League group stage (CC BY-SA 4.0)